Vlll 
CONTENTS. 
Goronowitsch, N . — Axial and Lateral Metamerism of the Head in 
Embryos of Birds 
Born, G . — Maturation of Amphibian Ova and Fertilization of Immature 
Ova of Triton 
Fick, R . — Fertilization of Axolotl Ovum 
Roudnev, Y . — Development of Endothelium of Heart of Amphibia .. 
W ilson, E. B . — Multiple and Partial Development in Amphioxus 
Rose, C . — Phytogeny of Mammalian Teeth 
Osborn, H. F . — History and Homologies of Human Molar Cusps 
Rose, C . — Rudiments of Teeth in Manis 
„ „ Dentition of Marsupials 
„ „ Dental Ridge and “ Egg -teeth ” in Sauropsida 
McIntosh, W. C. — Life-history and Development of Food and other Fishes 
Calderwood, W. L . — Ovary and Intra-Ovarian Egg of Teleosteans . . 
Holt, E. W. L . — Eggs and Early Stages of Rhombus maximus 
Roux, W., & 0. Herbst — Experimental Embryology 
Virchow, Hs. — Yolk-oells and Yolk Segmentation 
Baumgarten — Development of Auditory Ossicles 
Strahl — Degeneration of Ovarian Ova in Lizards 
Benda, C . — Spermatogenesis in Sauropsida 
Hasse, C . — Development of Vertebral Column of Anura 
Ruckert, J . — Doubling of Chromosomata in Nucleus of Selachian Ova . . 
Beard, J . — Hermaphroditism of Lampreys 
Cholodkowsky, N . — Theory of Mesoderm and Metamerism 
Hatschek, B . — Metamerism of Vertebrates 
Buckman, S. S., & F. A. Bather — Terms of Auxology 
Emery, C . — Cydopian Monsters 
Lwoff, B . — Germinal Layers in Vertebrates 
Schulze, O . — Development of Mammary Glands 
Nathusius, W. v . — The Shell of a Hen's Egg 
Stricht, O. van der — Cellular Islets at the Margin of the Blastoderm of 
the Chick 
Hasse, C . — Development of the Vertebral Column 
Stohr, Ph . — Development of Liver and Pancreas in Trout 
Piersoll, G. A . — Duration of Motion of Human Spermatozoa 
Lwoff, B . — Development of Amphioxus 
Ryder, J. A . — Inheritance of Modifications 
Rath, O. vom — Inheritance of Mutilations 
Wiesmann, A . — The Germ-Plasm 
Nussbaum, M . — Reproduction and Heredity 
Henneguy, L. F . — Parthenogenetic Segmentation of Ova of Mammals 
Perenyi, J . — Origin of Mesoderm 
Schottlaender, J . — Origin and History of the Graafian Follicle 
Fleischmann, A . — Placenta of Rodents 
Willey, A . — A Duck with Drake's Plumage 
Scheel, C . — Development of the Teleostean Vertebral Column 
Goeppert, E . — Development of the Pancreas 
Henneguy, L. F. — Vitelline Body of Balbiani in Egg of Vertebrates 
Balbiani, E. G . — Centrosome and Yolk-nucleus 
Felix, W . — Development of Liver and Pancreas 
Robinson, A . — Development of Mustela ferox 
Leche, W . — Development of Mammalian Dentition 
PAGB 
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Part 2 
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Part 3 
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Part 4 459 
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Part 5 603 
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